private async Task TryCloseAsync(OpenedViewModelInfo openedViewModelInfo)
{
if (!await openedViewModelInfo.ViewModel.CloseAsync())
{
_toastPresenter.ShowAsync($"Cannot close {openedViewModelInfo.ViewModel.GetType().Name}", ToastDuration.Short);
}
}
private async Task TryOpenClearBackStackAsync(OpenedViewModelInfo openedViewModelInfo)
{
var navigationCompletedTask = openedViewModelInfo.ViewModel.ShowAsync(NavigationConstants.ClearBackStack.ToValue(true)).GetNavigationCompletedTask();
if (!await navigationCompletedTask)
{
_toastPresenter.ShowAsync($"Cannot reopen clear back stack {openedViewModelInfo.ViewModel.GetType().Name}", ToastDuration.Short);
}
}
private async Task TryOpenAsync(OpenedViewModelInfo openedViewModelInfo)
{
var navigationCompletedTask = openedViewModelInfo.ViewModel.ShowAsync().GetNavigationCompletedTask();
if (!await navigationCompletedTask)
{
_toastPresenter.ShowAsync($"Cannot reopen {openedViewModelInfo.ViewModel.GetType().Name}", ToastDuration.Short);
}
}
private async Task TryImmediateCloseAsync(OpenedViewModelInfo openedViewModelInfo)
{
if (!await openedViewModelInfo.ViewModel.CloseAsync(new DataContext {
{ NavigationConstants.ImmediateClose, true }
}))
{
_toastPresenter.ShowAsync($"Cannot close {openedViewModelInfo.ViewModel.GetType().Name}", ToastDuration.Short);
}
}
public IList <MenuItem> GetMenuItems(OpenedViewModelInfo info)
{
if (info.ViewModel == null)
{
return(null);
}
var items = new List <MenuItem>();
Func <IViewModel, object, bool> canClose;
if (!info.ViewModel.Settings.Metadata.TryGetData(ViewModelConstants.CanCloseHandler, out canClose) || canClose(info.ViewModel, null))
{
items.Add(new MenuItem("Try Close", TryCloseCommand, info));
items.Add(new MenuItem("Try Immediate Close", TryImmediateCloseCommand, info));
}
items.Add(new MenuItem("Try Reopen", TryOpenCommand, info));
if (info.NavigationType == NavigationType.Page)
{
items.Add(new MenuItem("Try Reopen Clear Back Stack", TryOpenClearBackStackCommand, info));
}
return(items);
}
public MenuItem(string name, ICommand command, OpenedViewModelInfo commandParameter)
{
Name = name;
Command = command;
CommandParameter = commandParameter;
}
